highcharts 动态生成x轴和折线图

highchart 动态生成x轴和折线图
<!DOCTYPE HTML>
<html>
    <head>
        <meta charset="utf-8"><link rel="icon" href="https://static.jianshukeji.com/highcharts/images/favicon.ico">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <style>
            /* css 代码  */
        </style>
        <script src="https://img.hcharts.cn/highcharts/highcharts.js"></script>
        <script src="https://img.hcharts.cn/highcharts/modules/exporting.js"></script>
        <script src="https://img.hcharts.cn/highcharts-plugins/highcharts-zh_CN.js"></script>
    </head>
    <body>
        <div id="container" style="min-400px;height:400px"></div>
        <script>
        var chart = new Highcharts.Chart('container', {
            title: {
                text: '不同城市的月平均气温',
                x: -20
            },
            subtitle: {
                text: '数据来源: WorldClimate.com',
                x: -20
            },
            xAxis: {
                categories: ['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月']
            },
            yAxis: {
                title: {
                    text: '温度 (°C)'
                },
                plotLines: [{
                    value: 0,
                     1,
                    color: '#808080'
                }]
            },
            tooltip: {
                valueSuffix: '°C'
            },
            legend: {
                layout: 'vertical',
                align: 'right',
                verticalAlign: 'middle',
                borderWidth: 0
            },
            series: []
        });
        chart.xAxis[0].categories = ['1月', '2月', '3月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月'];
        var series = chart.addSeries({
               name: '纽约',
                data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5]
          }, true);

        var series = chart.addSeries({
               name: '纽约2',
                data: [-0.3, 0.89, 6.7, 21.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 9.6, 12.5]
          }, true);  
        </script>
    </body>
</html>
参考:
[已解决] HighStock如何动态添加数据组
https://bbs.hcharts.cn/thread-43-1-1.html